peb20560 Infineon Technologies Corporation, peb20560 Datasheet - Page 173

• Manufacturer Part Number: peb20560
• Description: Dsp Oriented Pbx Controller Doc
• Manufacturer: Infineon Technologies Corporation

FSCS
Note: 1) Although the FSC/DSL ports are tri-state after reset, FSC/DCL are driven
Semiconductor Group
2) Bits 0,2 are valid only when ELIC0:CMD1:CSS = ‘1’ (internal ELIC0 gets FSC
3) After reset ELIC0:CSS=0 (internal ELIC provides DCL, FSC), therefore DCLs
4) Bits 0 and 2 should be programmed to the same value to ensure the correct
internally by the input signal CLK16 divided by 2 for DCL, by 2048 for FSC.
FSC pin is driven by the DOC, only after write access to CCSEL1, if FSC was
configured as an output.
and DCL as inputs).
and FSCs should be set to ‘1’.
Otherwise (if programmed to ‘0’) the internal PDC (8 MHz), PFS (8 kHz) are
output on DCL/FSC until the CFI interface is enabled (ELIC0:OMDR:CSB=1).
The result would be unpredictable behavior of the connected layer 1 devices.
functionality of the DOC.
− IOM2 Interface Frame Synchronization Clock Select.
Select FSC from IO/PFS.
0:
1:
FSC from PFS
FSC from IO
2-127
Functional Block Description
PEB 20560
2003-08